Table 3 Semi quantitative evaluation of Plasmodium parasitic density by thick blood smear microscopy
Number of parasites counted/field | Qualitative parasitaemia | Quantitative parasitaemia (per mm3) |
|---|---|---|
40 to 60 per 100 fields | +/2 | 200–300 |
1 per field | + | 301–500 |
2–20 per field | ++ | 501–10‚000 |
21–200 per field | +++ | 10‚001–100‚000 |
200 or more per field | ++++ | > 100‚000 |